[hahy-uh-deez] 
) | 1. | Astronomy. a group of stars comprising a moving cluster in the constellation Taurus, supposed by the ancients to indicate the approach of rain when they rose with the sun. |
| 2. | Classical Mythology. a group of nymphs and sisters of the Pleiades who nurtured the infant Dionysus and were placed among the stars as a reward. |
[hahy-adz] .| Hy·a·des (hī'ə-dēz') pl.n.
[Latin, from Greek Huades, probably from hūs, pig; see sū- in Indo-European roots.] |